:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --bg-color: #0f172a;
    --surface-color: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Animated Background Gradients */
.bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.shape {
    position: absolute;
    filter: blur(80px);
    opacity: 0.5;
    border-radius: 50%;
    animation: float 10s infinite ease-in-out alternate;
}

.shape-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: var(--primary);
    animation-delay: 0s;
}

.shape-2 {
    bottom: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--secondary);
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 50px) scale(1.1); }
}

/* Navbar */
nav {
    padding: 24px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    background: rgba(15, 23, 42, 0.5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.logo i {
    color: var(--primary);
    font-size: 1.8rem;
}

/* Hero Section */
.hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.1);
    color: #818cf8;
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 24px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(4px);
}

h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h1 span {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.6;
    max-width: 600px;
    margin-inline: auto;
}

/* Buttons */
.actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
    background: linear-gradient(135deg, #7174f2, var(--primary));
}

.btn-advanced {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.btn-advanced:hover {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
}

.btn-outline {
    background: var(--surface-color);
    color: white;
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 60px auto 40px;
    padding: 0 20px;
    z-index: 1;
}

.feature-card {
    background: var(--surface-color);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 24px;
    text-align: left;
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.landing-footer {
    text-align: center;
    padding: 20px;
    margin-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.landing-footer a {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    nav { padding: 20px; }
    .actions { flex-direction: column; width: 100%; padding: 0 20px; }
    .btn { width: 100%; justify-content: center; }
    .features { margin-top: 20px; padding-bottom: 40px; }
    .hero { padding: 20px; }
    .bg-shapes { display: none; }
}